Finding the Fourth Proportional to 1,839.69, 2,760.30 and 1,323.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.69 : 2,760.30 = 1,323.02 : x
2. Step 2: Convert to fraction form
   1,839.69/2,760.30 = 1,323.02/x
3. Step 3: Cross multiply
   1,839.69x = 2,760.30 × 1,323.02
4. Step 4: Simplify right side
   1,839.69x = 3,651,918.30
5. Step 5: Solve for x
   x = 3,651,918.30/1,839.69
6. Step 6: Final answer
   x = 1,985.07